init - 初始化项目

3rdparty/ippicv/ippicv.cmake

@@ -0,0 +1,51 @@
+function(download_ippicv root_var)
+  set(${root_var} "" PARENT_SCOPE)
+
+  # Commit SHA in the opencv_3rdparty repo
+  set(IPPICV_COMMIT "a56b6ac6f030c312b2dce17430eef13aed9af274")
+  # Define actual ICV versions
+  if(APPLE)
+    set(OPENCV_ICV_PLATFORM "macosx")
+    set(OPENCV_ICV_PACKAGE_SUBDIR "ippicv_mac")
+    set(OPENCV_ICV_NAME "ippicv_2020_mac_intel64_20191018_general.tgz")
+    set(OPENCV_ICV_HASH "1c3d675c2a2395d094d523024896e01b")
+  elseif((UNIX AND NOT ANDROID) OR (UNIX AND ANDROID_ABI MATCHES "x86"))
+    set(OPENCV_ICV_PLATFORM "linux")
+    set(OPENCV_ICV_PACKAGE_SUBDIR "ippicv_lnx")
+    if(X86_64)
+      set(OPENCV_ICV_NAME "ippicv_2020_lnx_intel64_20191018_general.tgz")
+      set(OPENCV_ICV_HASH "7421de0095c7a39162ae13a6098782f9")
+    else()
+      set(OPENCV_ICV_NAME "ippicv_2020_lnx_ia32_20191018_general.tgz")
+      set(OPENCV_ICV_HASH "ad189a940fb60eb71f291321322fe3e8")
+    endif()
+  elseif(WIN32 AND NOT ARM)
+    set(OPENCV_ICV_PLATFORM "windows")
+    set(OPENCV_ICV_PACKAGE_SUBDIR "ippicv_win")
+    if(X86_64)
+      set(OPENCV_ICV_NAME "ippicv_2020_win_intel64_20191018_general.zip")
+      set(OPENCV_ICV_HASH "879741a7946b814455eee6c6ffde2984")
+    else()
+      set(OPENCV_ICV_NAME "ippicv_2020_win_ia32_20191018_general.zip")
+      set(OPENCV_ICV_HASH "cd39bdf0c2e1cac9a61101dad7a2413e")
+    endif()
+  else()
+    return()
+  endif()
+
+  set(THE_ROOT "${OpenCV_BINARY_DIR}/3rdparty/ippicv")
+  ocv_download(FILENAME ${OPENCV_ICV_NAME}
+               HASH ${OPENCV_ICV_HASH}
+               URL
+                 "${OPENCV_IPPICV_URL}"
+                 "$ENV{OPENCV_IPPICV_URL}"
+                 "https://raw.githubusercontent.com/opencv/opencv_3rdparty/${IPPICV_COMMIT}/ippicv/"
+               DESTINATION_DIR "${THE_ROOT}"
+               ID IPPICV
+               STATUS res
+               UNPACK RELATIVE_URL)
+
+  if(res)
+    set(${root_var} "${THE_ROOT}/${OPENCV_ICV_PACKAGE_SUBDIR}" PARENT_SCOPE)
+  endif()
+endfunction()